When energy changes from one form to another, some energy is always changed to A. added as heat B. returned to its source C. given off as heat D. gained

You are a researcher interested in studying the cytoskeleton. How can you use antibodies to locate actin - and tubulin-containing structures?

Gene regulation in eukaryotes are what?

What is a natural selection

A hypothesis is useful only if it can be tested, is based on prior knowledge or imaginative guesses, must be falsifiable

Decomposers such as bacteria feed on dead plants and animals. In which cycle does this decomposition play a role in forming the fossil fuels that people use for energy? carbon cycle nitrogen cycle argon cycle water cycle

What characteristics do all animals share?

Explain why resource availability and allocation are an important concern for governments.

Which processes happen in the kidney? Select three options.

A student claims that cellular respiration is essential to cells so that they have a means for getting rid of excess carbon dioxide. What is wrong with his statement?

When and where was the possibility of growing thornless varieties of plants discovered?